Build definition (#1)

* initial build

.drone.yml

@@ -0,0 +1,40 @@
+---
+kind: pipeline
+type: kubernetes
+name: default
+
+steps:
+- name: build & test docker image
+  image: plugins/docker
+  environment:
+    GITHUB_PAT:
+      from_secret: github_private_org_access
+  settings:
+    repo: lostpetinitiative/calvin_zhirui_yolo5_head_detector
+    dry_run: true
+    target: TESTS
+    build_args_from_env:
+    - GITHUB_PAT
+    build_args:
+    - GITHUB_USER=dgrechka    
+- name: build, test & push docker image
+  image: plugins/docker
+  when:
+    event:
+    - tag
+  environment:
+    GITHUB_PAT:
+      from_secret: github_private_org_access
+  settings:
+    username:
+      from_secret: docker_username
+    password:
+      from_secret: docker_password
+    repo: lostpetinitiative/calvin_zhirui_yolo5_head_detector
+    target: FINAL
+    auto_tag: true
+    force_tag: true
+    build_args_from_env:
+    - GITHUB_PAT    
+    build_args:
+    - GITHUB_USER=dgrechka